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A boat takes half time in moving a certa...

A boat takes half time in moving a certain distance downstream than upstream. What is the ratio between the rate in still water and the rate of current? a. 1:2                 b. 3:1                c. 2:1               d. 1:3

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RS AGGARWAL-BOATS AND STREAMS-All Questions
  1. A man rows downstream 32 km and 14 km upstream. If he takes 6 hours to...

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  2. A boatman row 1 km in 5 minute, along the stream and 6 km in 1 hour ag...

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  3. A boat takes half time in moving a certain distance downstream than up...

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  4. If a man goes 18 km downstream in 4 hours and returns against the stre...

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  5. A boat man goes 2 km against the current of the stream in 1 hour and g...

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  6. A man can row 3/4 of a km against the stream in 11 1/4 minutes and ret...

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  7. A boat, while going downstream in a river covered a distance of 50 ...

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  8. A man swimming in a stream which flows 1 1/2\ km//hr finds that in a g...

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  9. A boat running upstream takes 8 hours 48 minutes to cover a certain...

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  10. If a boat goes 7 km upstream in 42 minutes and the speed of the stream...

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  11. A man's speed with the current is 15 km / hr and the speed of the c...

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  12. If a man rows at the rate of 5 kmph in still water and his rate aga...

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  13. A motorboat in still water travels at a speed of 36 km/hr. It goes 56 ...

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  14. Speed of a boat in standing water is 9 kmph and the speed of the st...

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  15. The speed of a boat in still water is 15 km / hr and the rate of cu...

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  16. A man can row at 5 kmph in still water. If the velocity of current ...

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  17. A boat takes 19 hours for travelling downstream from point A to poi...

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  18. P, Q and R are three towns on a river which flows uniformly. Q is equi...

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  19. A man can row 9 1/3\ kmph in still water and finds that it takes him t...

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  20. A boat takes 8 hours to cover a distance while travelling upstream,...

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